Vintage Zirconia Diamond - Men’s or Women Sterling Silver Ring

Vintage Zirconia 0.75 carat Diamond - Sterling Silver Sparkling stone 925 silver Measures 19mm inside diameter … about a size 9 Excellent Condition with normal vintage wear marks on the metal. Also has a stamp “NVC” This is the maker's mark for Nataliya V Collister, a designer who creates jewelry, primarily using sterling silver and often incorporating cubic zirconia.